﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ArithLibrary.BasicAriths
{
    public class Advanced
    {
        public double GetAreaCircle(int r)
        {
            double ar = 3.14 * r * r;
            return ar;
            //float ft=(float)Convert.ToDouble("89.8");
        }
    }
}
